Chapter 2: Atoms, Ions, and Isotopes (2.1-2.3) Flashcards
1
Q
Nitrate formula
A
NO3 -
2
Q
Carbonate formula
A
CO3 2-
3
Q
Sulfate formula
A
SO4 2-
4
Q
Hydroxide formula
A
OH -
5
Q
Ammonium formula
A
NH4 +
6
Q
Nitric acid formula
A
HNO3
7
Q
Work out mass number
A
No. of protons + No. of neutrons
8
Q
Work out relative isotopic mass
A
Mass of 1 atom of isotope / 1/12 mass of 1 atom of C-12
9
Q
Work out relative molecular mass
A
Add the Ar of each atom in the molecule
10
Q
What are the charges on Protons, Neutrons and Electrons?
A
Proton = +1, Neutron = 0, Electron= -1
11
Q
What are the relative masses of Protons, Neutrons and Electrons?
A
Proton = 1, Neutron = 1, Electron = negligible
